Tertullian To His Wife Book I Let them see to that, who, among the rest of their perversities, teach the disjoining of the "one flesh in twain; "[23] Tertullian To His Wife Book II one discipline, one and the same service? Both (are) brethren, both fellow servants, no difference of spirit or of flesh; nay, (they are) truly "two in one flesh."[62] Pseudo-Cyprian Of the Discipline and Advantage of Chastity And in such wise it is said, "Two shall be in one flesh,"[6] Origen Commentary on Matthew Book XIV "[140]